Child assessment and treatment is complicated by numerous factors: developmental variables, how and where symptoms are expressed, and the different ways that parents and teachers may perceive and define problem behavior. The clinician's task is further compounded when clients are culturally diverse children and adolescents dealing with multiple social stressors. This widely used clinical resource and text guides mental health practitioners in conducting culturally competent, effective work with economically disadvantaged youngsters from African American, Asian American, Latino, and Native American backgrounds.